Turn a lot into a rabbithole ? There is this mod :
Rabbit Hole Replacement Project by Raven Shadow
http://www.modthesims.info/d/435107
Rabbit Hole Replacement Project by Raven Shadow
http://www.modthesims.info/d/435107
Thank you for telling me, but I'm referring to just a door/window that will have all the rabbit hole's functions but not make the whole lot a rabbit hole. I apologize if I'm not making any sense